3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
107 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
110 --disable-programs do not build command line programs
111 --disable-ffmpeg disable ffmpeg build
112 --disable-ffplay disable ffplay build
113 --disable-ffprobe disable ffprobe build
114 --disable-ffserver disable ffserver build
116 Documentation options:
117 --disable-doc do not build documentation
118 --disable-htmlpages do not build HTML documentation pages
119 --disable-manpages do not build man documentation pages
120 --disable-podpages do not build POD documentation pages
121 --disable-txtpages do not build text documentation pages
124 --disable-avdevice disable libavdevice build
125 --disable-avcodec disable libavcodec build
126 --disable-avformat disable libavformat build
127 --disable-avutil disable libavutil build
128 --disable-swresample disable libswresample build
129 --disable-swscale disable libswscale build
130 --disable-postproc disable libpostproc build
131 --disable-avfilter disable libavfilter build
132 --enable-avresample enable libavresample build [no]
133 --disable-pthreads disable pthreads [auto]
134 --disable-w32threads disable Win32 threads [auto]
135 --disable-os2threads disable OS/2 threads [auto]
136 --disable-network disable network support [no]
137 --disable-dct disable DCT code
138 --disable-dwt disable DWT code
139 --disable-error-resilience disable error resilience code
140 --disable-lsp disable LSP code
141 --disable-lzo disable LZO decoder code
142 --disable-mdct disable MDCT code
143 --disable-rdft disable RDFT code
144 --disable-fft disable FFT code
146 Hardware accelerators:
147 --disable-dxva2 disable DXVA2 code [autodetect]
148 --disable-vaapi disable VAAPI code [autodetect]
149 --enable-vda enable VDA code
150 --disable-vdpau disable VDPAU code [autodetect]
152 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
189 External library support:
190 --enable-avisynth enable reading of AviSynth script files [no]
191 --disable-bzlib disable bzlib [autodetect]
192 --enable-fontconfig enable fontconfig
193 --enable-frei0r enable frei0r video filtering
194 --enable-gnutls enable gnutls [no]
195 --disable-iconv disable iconv [autodetect]
196 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
197 --enable-libass enable libass subtitles rendering [no]
198 --enable-libbluray enable BluRay reading using libbluray [no]
199 --enable-libcaca enable textual display using libcaca
200 --enable-libcelt enable CELT decoding via libcelt [no]
201 --enable-libcdio enable audio CD grabbing with libcdio
202 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
204 --enable-libfaac enable AAC encoding via libfaac [no]
205 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
206 --enable-libflite enable flite (voice synthesis) support via libflite [no]
207 --enable-libfreetype enable libfreetype [no]
208 --enable-libgme enable Game Music Emu via libgme [no]
209 --enable-libgsm enable GSM de/encoding via libgsm [no]
210 --enable-libiec61883 enable iec61883 via libiec61883 [no]
211 --enable-libilbc enable iLBC de/encoding via libilbc [no]
212 --enable-libmodplug enable ModPlug via libmodplug [no]
213 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
214 --enable-libnut enable NUT (de)muxing via libnut,
215 native (de)muxer exists [no]
216 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
217 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
218 --enable-libopencv enable video filtering via libopencv [no]
219 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
220 --enable-libopus enable Opus decoding via libopus [no]
221 --enable-libpulse enable Pulseaudio input via libpulse [no]
222 --enable-libquvi enable quvi input via libquvi [no]
223 --enable-librtmp enable RTMP[E] support via librtmp [no]
224 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
225 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
226 --enable-libsoxr enable Include libsoxr resampling [no]
227 --enable-libspeex enable Speex de/encoding via libspeex [no]
228 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
229 --enable-libtheora enable Theora encoding via libtheora [no]
230 --enable-libtwolame enable MP2 encoding via libtwolame [no]
231 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
232 --enable-libv4l2 enable libv4l2/v4l-utils [no]
233 --enable-libvidstab enable video stabilization using vid.stab [no]
234 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
235 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
236 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
237 native implementation exists [no]
238 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
239 --enable-libwavpack enable wavpack encoding via libwavpack [no]
240 --enable-libx264 enable H.264 encoding via x264 [no]
241 --enable-libxavs enable AVS encoding via xavs [no]
242 --enable-libxvid enable Xvid encoding via xvidcore,
243 native MPEG-4/Xvid encoder exists [no]
244 --enable-libzmq enable message passing via libzmq [no]
245 --enable-libzvbi enable teletext support via libzvbi [no]
246 --enable-openal enable OpenAL 1.1 capture support [no]
247 --enable-opencl enable OpenCL code
248 --enable-openssl enable openssl [no]
249 --enable-x11grab enable X11 grabbing [no]
250 --disable-zlib disable zlib [autodetect]
252 Advanced options (experts only):
253 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
254 --enable-cross-compile assume a cross-compiler is used
255 --sysroot=PATH root of cross-build tree
256 --sysinclude=PATH location of cross-build system headers
257 --target-os=OS compiler targets OS [$target_os]
258 --target-exec=CMD command to run executables on target
259 --target-path=DIR path to view of build directory on target
260 --target-samples=DIR path to samples directory on target
261 --toolchain=NAME set tool defaults according to NAME
262 --nm=NM use nm tool NM [$nm_default]
263 --ar=AR use archive tool AR [$ar_default]
264 --as=AS use assembler AS [$as_default]
265 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
266 --cc=CC use C compiler CC [$cc_default]
267 --cxx=CXX use C compiler CXX [$cxx_default]
268 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
269 --ld=LD use linker LD [$ld_default]
270 --host-cc=HOSTCC use host C compiler HOSTCC
271 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
272 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
273 --host-ld=HOSTLD use host linker HOSTLD
274 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
275 --host-libs=HLIBS use libs HLIBS when linking for host
276 --host-os=OS compiler host OS [$target_os]
277 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
278 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
279 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
280 --extra-libs=ELIBS add ELIBS [$ELIBS]
281 --extra-version=STRING version string suffix []
282 --optflags=OPTFLAGS override optimization-related compiler flags
283 --build-suffix=SUFFIX library name suffix []
284 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
285 --progs-suffix=SUFFIX program name suffix []
286 --arch=ARCH select architecture [$arch]
287 --cpu=CPU select the minimum required CPU (affects
288 instruction selection, may crash on older CPUs)
289 --enable-pic build position-independent code
290 --enable-sram allow use of on-chip SRAM
291 --enable-thumb compile for Thumb instruction set
292 --disable-symver disable symbol versioning
293 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
294 --disable-safe-bitstream-reader
295 disable buffer boundary checking in bitreaders
296 (faster, but may crash)
297 --enable-memalign-hack emulate memalign, interferes with memory debuggers
298 --enable-lto use link-time optimization
300 Optimization options (experts only):
301 --disable-asm disable all assembler optimizations
302 --disable-altivec disable AltiVec optimizations
303 --disable-amd3dnow disable 3DNow! optimizations
304 --disable-amd3dnowext disable 3DNow! extended optimizations
305 --disable-mmx disable MMX optimizations
306 --disable-mmxext disable MMXEXT optimizations
307 --disable-sse disable SSE optimizations
308 --disable-sse2 disable SSE2 optimizations
309 --disable-sse3 disable SSE3 optimizations
310 --disable-ssse3 disable SSSE3 optimizations
311 --disable-sse4 disable SSE4 optimizations
312 --disable-sse42 disable SSE4.2 optimizations
313 --disable-avx disable AVX optimizations
314 --disable-fma4 disable FMA4 optimizations
315 --disable-armv5te disable armv5te optimizations
316 --disable-armv6 disable armv6 optimizations
317 --disable-armv6t2 disable armv6t2 optimizations
318 --disable-vfp disable VFP optimizations
319 --disable-neon disable NEON optimizations
320 --disable-vis disable VIS optimizations
321 --disable-inline-asm disable use of inline assembler
322 --disable-yasm disable use of yasm assembler
323 --disable-mips32r2 disable MIPS32R2 optimizations
324 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
325 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
326 --disable-mipsfpu disable floating point MIPS optimizations
327 --disable-fast-unaligned consider unaligned accesses slow
329 Developer options (useful when working on FFmpeg itself):
330 --disable-debug disable debugging symbols
331 --enable-debug=LEVEL set the debug level [$debuglevel]
332 --disable-optimizations disable compiler optimizations
333 --enable-extra-warnings enable more compiler warnings
334 --disable-stripping disable stripping of executables and shared libraries
335 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
336 2 causes a slowdown at runtime.
337 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
338 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
339 leaks and errors, using the specified valgrind binary.
340 Cannot be combined with --target-exec
341 --enable-ftrapv Trap arithmetic overflows
342 --samples=PATH location of test samples for FATE, if not set use
343 \$FATE_SAMPLES at make invocation time.
344 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
345 should be used only for debugging purposes)
346 --enable-random randomly enable/disable components
348 --enable-random=LIST randomly enable/disable specific components or
349 --disable-random=LIST component groups. LIST is a comma-separated list
350 of NAME[:PROB] entries where NAME is a component
351 (group) and PROB the probability associated with
353 --random-seed=VALUE seed value for --enable/disable-random
355 NOTE: Object files are built at the place where configure is launched.
363 echo "$@" >> $logfile
368 pr -n -t $1 >> $logfile
379 WARNINGS="${WARNINGS}WARNING: $*\n"
386 If you think configure made a mistake, make sure you are using the latest
387 version from Git. If the latest version fails, report the problem to the
388 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
390 if disabled logging; then
392 Rerun configure with logging enabled (do not use --disable-logging), and
393 include the log this produces with your report.
397 Include the log file "$logfile" produced by configure as this will help
404 # Avoid locale weirdness, besides we really just want to translate ASCII.
406 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
410 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
414 echo "$*" | sed 's/["\\]/\\\0/g'
418 v=$(echo "$1" | sed "s/'/'\\\\''/g")
419 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
424 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
431 eval "case $v in $pat) echo $v ;; esac"
439 eval "case $v in $pat) ;; *) echo $v ;; esac"
446 for v; do eval $m; done
452 for v; do echo ${v}${suffix}; done
467 eval : \${$var:=$value}
472 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
478 eval $(sanitize_var_name "$var")='$*'
482 eval echo \$$(sanitize_var_name "$1")
487 eval level=\${${pvar}_level:=0}
488 eval ${pvar}_${level}="\$$pvar"
489 eval ${pvar}_level=$(($level+1))
495 eval level=\${${pvar}_level:-0}
496 test $level = 0 && continue
497 eval level=$(($level-1))
498 eval $pvar="\${${pvar}_${level}}"
499 eval ${pvar}_level=$level
500 eval unset ${pvar}_${level}
522 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
528 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
534 enabled $var && continue
535 eval sel="\$${var}_select"
536 eval sgs="\$${var}_suggest"
540 enable_deep_weak $sgs
552 disabled $var && continue
561 test "${1#!}" = "$1" && op== || op=!=
562 eval test "x\$${1#!}" $op "xyes"
566 test "${1#!}" = "$1" && op== || op=!=
567 eval test "x\$${1#!}" $op "xno"
572 enabled $opt || return 1
578 disabled $opt || return 1
584 enabled $opt && return 0
590 disabled $opt && return 0
597 eval : \${$opt:=\$${opt}_default}
605 [ $var = $value ] && return 0
613 enabled ${cfg}_checking && die "Circular dependency for $cfg."
614 disabled ${cfg}_checking && continue
615 enable ${cfg}_checking
618 eval dep_all="\$${cfg}_deps"
619 eval dep_any="\$${cfg}_deps_any"
620 eval dep_sel="\$${cfg}_select"
621 eval dep_sgs="\$${cfg}_suggest"
622 eval dep_ifa="\$${cfg}_if"
623 eval dep_ifn="\$${cfg}_if_any"
625 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
626 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
627 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
629 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
630 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
631 enabled_all $dep_all || disable $cfg
632 enabled_any $dep_any || disable $cfg
633 disabled_any $dep_sel && disable $cfg
635 if enabled $cfg; then
637 enable_deep_weak $dep_sgs
640 disable ${cfg}_checking
649 for cfg in $allopts; do
650 enabled $cfg || continue
651 eval dep_extralibs="\$${cfg}_extralibs"
652 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
660 map 'eval echo "$v \${$v:-no}"' "$@" |
661 awk "BEGIN { split(\"$files\", files) }
663 c = \"$pfx\" toupper(\$1);
669 if (file ~ /\\.h\$/) {
670 printf(\"#define %s %d\\n\", c, v) >>file;
671 } else if (file ~ /\\.asm\$/) {
672 printf(\"%%define %s %d\\n\", c, v) >>file;
673 } else if (file ~ /\\.mak\$/) {
674 n = -v ? \"\" : \"!\";
675 printf(\"%s%s=yes\\n\", n, c) >>file;
676 } else if (file ~ /\\.texi\$/) {
677 pre = -v ? \"\" : \"@c \";
680 gsub(/_/, \"-\", c2);
681 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
691 enabled $v && printf "%s\n" ${v%$suf};
698 eval "$var=\"\$$var $*\""
704 eval "$var=\"$* \$$var\""
712 append CFLAGS $($cflags_filter "$@")
716 append CXXFLAGS $($cflags_filter "$@")
720 append ASFLAGS $($asflags_filter "$@")
724 append LDFLAGS $($ldflags_filter "$@")
728 prepend extralibs $($ldflags_filter "$@")
732 append host_cppflags "$@"
736 append host_cflags $($host_cflags_filter "$@")
740 append host_ldflags $($host_ldflags_filter "$@")
744 append compat_objs $1
746 map 'add_cppflags -D$v' "$@"
751 "$@" >> $logfile 2>&1
755 eval printf '%s\\n' $CC_O
759 eval printf '%s\\n' $CC_E
766 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
773 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
780 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
784 eval printf '%s\\n' $AS_O
791 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
795 log check_inline_asm "$@"
800 check_cc "$@" <<EOF && enable $name
801 void foo(void){ __asm__ volatile($code); }
807 check_inline_asm ${1}_inline "\"$2\""
808 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
816 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
820 eval printf '%s\\n' $LD_O
827 flags=$(filter_out '-l*|*.so' $@)
828 libs=$(filter '-l*|*.so' $@)
829 check_$type $($cflags_filter $flags) || return
830 flags=$($ldflags_filter $flags)
831 libs=$($ldflags_filter $libs)
832 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
842 for hdr in $headers; do
843 echo "#include <$hdr>"
845 echo "int main(void) { $code; return 0; }"
846 } | check_$check "$@"
850 log check_cppflags "$@"
851 check_cc "$@" <<EOF && append CPPFLAGS "$@"
857 log check_cflags "$@"
858 set -- $($cflags_filter "$@")
859 check_cc "$@" <<EOF && append CFLAGS "$@"
865 log check_cxxflags "$@"
866 set -- $($cflags_filter "$@")
867 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
873 log test_ldflags "$@"
874 check_ld "cc" "$@" <<EOF
875 int main(void){ return 0; }
880 log check_ldflags "$@"
881 test_ldflags "$@" && add_ldflags "$@"
885 log check_header "$@"
889 check_cpp "$@" <<EOF && enable_safe $header
900 check_ld "cc" "$@" <<EOF && enable $func
902 int main(void){ $func(); }
907 log check_mathfunc "$@"
911 test $narg = 2 && args="f, g" || args="f"
913 check_ld "cc" "$@" <<EOF && enable $func
915 float foo(float f, float g) { return $func($args); }
916 int main(void){ return (int) foo; }
920 check_func_headers(){
921 log check_func_headers "$@"
926 for hdr in $headers; do
927 echo "#include <$hdr>"
929 for func in $funcs; do
930 echo "long check_$func(void) { return (long) $func; }"
932 echo "int main(void) { return 0; }"
933 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
936 check_class_headers_cpp(){
937 log check_class_headers_cpp "$@"
942 for hdr in $headers; do
943 echo "#include <$hdr>"
945 echo "int main(void) { "
947 for class in $classes; do
952 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
955 check_cpp_condition(){
956 log check_cpp_condition "$@"
963 #error "unsatisfied condition: $condition"
973 check_header $header && check_func $func "$@" && add_extralibs "$@"
981 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
985 log check_lib_cpp "$@"
989 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
993 log check_pkg_config "$@"
998 check_cmd $pkg_config --exists --print-errors $pkg || return
999 pkg_cflags=$($pkg_config --cflags $pkg)
1000 pkg_libs=$($pkg_config --libs $pkg)
1001 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1002 set_safe ${pkg}_cflags $pkg_cflags &&
1003 set_safe ${pkg}_libs $pkg_libs
1007 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1013 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1014 # are safe but may not be available everywhere. Thus we use
1015 # raise(SIGTERM) instead. The check is run in a subshell so we
1016 # can redirect the "Terminated" message from the shell. SIGBUS
1017 # is not defined by standard C so it is used conditionally.
1019 (check_exec "$@") >> $logfile 2>&1 <<EOF
1021 static void sighandler(int sig){
1027 int (*func_ptr)(void) = foo;
1029 signal(SIGILL, sighandler);
1030 signal(SIGFPE, sighandler);
1031 signal(SIGSEGV, sighandler);
1033 signal(SIGBUS, sighandler);
1045 disable_safe "$type"
1046 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1050 log check_struct "$@"
1055 disable_safe "${struct}_${member}"
1056 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1057 enable_safe "${struct}_${member}"
1061 log check_builtin "$@"
1067 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1075 check_lib $header $func "$@" || die "ERROR: $name not found"
1083 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1091 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1094 require_pkg_config(){
1096 check_pkg_config "$@" || die "ERROR: $pkg not found"
1097 add_cflags $(get_safe ${pkg}_cflags)
1098 add_extralibs $(get_safe ${pkg}_libs)
1102 eval printf '%s\\n' $HOSTCC_O
1106 log check_host_cc "$@"
1109 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1112 check_host_cppflags(){
1113 log check_host_cppflags "$@"
1114 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1119 check_host_cflags(){
1120 log check_host_cflags "$@"
1121 set -- $($host_cflags_filter "$@")
1122 check_host_cc "$@" <<EOF && append host_cflags "$@"
1130 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1134 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1135 mkdir -p "$(dirname $2)"
1139 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1140 # system-dependent things.
1156 EXTERNAL_LIBRARY_LIST="
1254 $EXTERNAL_LIBRARY_LIST
1267 incompatible_libav_abi
1268 incompatible_fork_abi
1279 safe_bitstream_reader
1375 incompatible_libav_abi
1376 incompatible_fork_abi
1409 $(add_suffix _external $ARCH_EXT_LIST)
1410 $(add_suffix _inline $ARCH_EXT_LIST)
1430 cdio_paranoia_paranoia_h
1438 dev_bktr_ioctl_bt848_h
1439 dev_bktr_ioctl_meteor_h
1441 dev_video_bktr_ioctl_bt848_h
1442 dev_video_meteor_ioctl_meteor_h
1458 GetProcessAffinityMask
1459 GetProcessMemoryInfo
1461 GetSystemTimeAsFileTime
1473 jack_port_get_latency_range
1483 machine_ioctl_bt848_h
1484 machine_ioctl_meteor_h
1497 openjpeg_1_5_openjpeg_h
1510 SetConsoleTextAttribute
1519 struct_group_source_req
1520 struct_ip_mreq_source
1523 struct_rusage_ru_maxrss
1524 struct_sctp_event_subscribe
1526 struct_sockaddr_sa_len
1527 struct_sockaddr_storage
1528 struct_stat_st_mtim_tv_nsec
1529 struct_v4l2_frmivalenum_discrete
1532 sync_val_compare_and_swap
1556 # options emitted with CONFIG_ prefix but not available on the command line
1563 frame_thread_encoder
1663 # code dependency declarations
1665 # architecture extensions
1674 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1677 mips32r2_deps="mips"
1678 mipsdspr1_deps="mips"
1679 mipsdspr2_deps="mips"
1687 x86_64_select="i686"
1688 x86_64_suggest="fast_cmov"
1691 amd3dnowext_deps="amd3dnow"
1703 mmx_external_deps="yasm"
1704 mmx_inline_deps="inline_asm"
1705 mmx_suggest="mmx_external mmx_inline"
1707 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1708 eval dep=\$${ext}_deps
1709 eval ${ext}_external_deps='"${dep}_external"'
1710 eval ${ext}_inline_deps='"${dep}_inline"'
1711 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1714 aligned_stack_if_any="ppc x86"
1715 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1716 fast_clz_if_any="alpha avr32 mips ppc x86"
1717 fast_unaligned_if_any="ppc x86"
1719 inline_asm_deps="!tms470"
1720 need_memalign="altivec neon sse"
1722 symver_if_any="symver_asm_label symver_gnu_asm"
1728 error_resilience_select="dsputil"
1729 frame_thread_encoder_deps="encoders threads"
1730 lpc_select="dsputil"
1733 mpegaudio_select="mpegaudiodsp"
1734 mpegaudiodsp_select="dct"
1735 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1736 mpegvideoenc_select="mpegvideo"
1738 # decoders / encoders
1739 aac_decoder_select="mdct sinewin"
1740 aac_encoder_select="audio_frame_queue mdct sinewin"
1741 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1742 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1743 ac3_encoder_select="mdct ac3dsp dsputil"
1744 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1745 aic_decoder_select="dsputil golomb"
1746 alac_encoder_select="lpc"
1747 als_decoder_select="dsputil"
1748 amrnb_decoder_select="lsp"
1749 amrwb_decoder_select="lsp"
1750 amv_decoder_select="dsputil hpeldsp exif"
1751 amv_encoder_select="aandcttables"
1752 ape_decoder_select="dsputil"
1753 asv1_decoder_select="dsputil"
1754 asv1_encoder_select="dsputil"
1755 asv2_decoder_select="dsputil"
1756 asv2_encoder_select="dsputil"
1757 atrac1_decoder_select="mdct sinewin"
1758 atrac3_decoder_select="mdct"
1759 avrn_decoder_select="exif"
1760 bink_decoder_select="dsputil hpeldsp"
1761 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1762 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1763 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1764 cllc_decoder_select="dsputil"
1765 comfortnoise_encoder_select="lpc"
1766 cook_decoder_select="dsputil mdct sinewin"
1767 cscd_decoder_select="lzo"
1768 cscd_decoder_suggest="zlib"
1769 dca_decoder_select="mdct"
1770 dirac_decoder_select="dsputil dwt golomb videodsp"
1771 dnxhd_decoder_select="dsputil"
1772 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1773 dvvideo_decoder_select="dsputil"
1774 dvvideo_encoder_select="dsputil"
1775 dxa_decoder_deps="zlib"
1776 eac3_decoder_select="ac3_decoder"
1777 eac3_encoder_select="ac3_encoder"
1778 eamad_decoder_select="aandcttables dsputil mpegvideo"
1779 eatgq_decoder_select="aandcttables"
1780 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1781 exr_decoder_deps="zlib"
1782 ffv1_decoder_select="dsputil golomb rangecoder"
1783 ffv1_encoder_select="dsputil rangecoder"
1784 ffvhuff_decoder_select="dsputil"
1785 ffvhuff_encoder_select="dsputil huffman"
1786 flac_decoder_select="golomb"
1787 flac_encoder_select="dsputil golomb lpc"
1788 flashsv_decoder_deps="zlib"
1789 flashsv_encoder_deps="zlib"
1790 flashsv2_encoder_deps="zlib"
1791 flashsv2_decoder_deps="zlib"
1792 flv_decoder_select="h263_decoder"
1793 flv_encoder_select="h263_encoder"
1794 fourxm_decoder_select="dsputil"
1795 fraps_decoder_select="dsputil huffman"
1796 g2m_decoder_deps="zlib"
1797 g2m_decoder_select="dsputil"
1798 g729_decoder_select="dsputil"
1799 h261_decoder_select="error_resilience mpegvideo"
1800 h261_encoder_select="aandcttables mpegvideoenc"
1801 h263_decoder_select="error_resilience h263_parser mpegvideo"
1802 h263_encoder_select="aandcttables mpegvideoenc"
1803 h263i_decoder_select="h263_decoder"
1804 h263p_encoder_select="h263_encoder"
1805 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1806 h264_decoder_suggest="error_resilience"
1807 huffyuv_decoder_select="dsputil"
1808 huffyuv_encoder_select="dsputil huffman"
1809 iac_decoder_select="dsputil fft mdct sinewin"
1810 imc_decoder_select="dsputil fft mdct sinewin"
1811 indeo3_decoder_select="hpeldsp"
1812 interplay_video_decoder_select="hpeldsp"
1813 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1814 jpegls_encoder_select="golomb"
1815 jv_decoder_select="dsputil"
1816 lagarith_decoder_select="dsputil"
1817 ljpeg_encoder_select="aandcttables mpegvideoenc"
1818 loco_decoder_select="golomb"
1819 mdec_decoder_select="dsputil error_resilience mpegvideo"
1820 metasound_decoder_select="lsp mdct sinewin"
1821 mimic_decoder_select="dsputil hpeldsp"
1822 mjpeg_decoder_select="dsputil hpeldsp exif"
1823 mjpegb_decoder_select="dsputil hpeldsp exif"
1824 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1825 mlp_decoder_select="dsputil mlp_parser"
1826 motionpixels_decoder_select="dsputil"
1827 mp1_decoder_select="mpegaudio"
1828 mp1float_decoder_select="mpegaudio"
1829 mp2_decoder_select="mpegaudio"
1830 mp2float_decoder_select="mpegaudio"
1831 mp3_decoder_select="mpegaudio"
1832 mp3adu_decoder_select="mpegaudio"
1833 mp3adufloat_decoder_select="mpegaudio"
1834 mp3float_decoder_select="mpegaudio"
1835 mp3on4_decoder_select="mpegaudio"
1836 mp3on4float_decoder_select="mpegaudio"
1837 mpc7_decoder_select="dsputil mpegaudiodsp"
1838 mpc8_decoder_select="dsputil mpegaudiodsp"
1839 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1840 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1841 mpeg1video_decoder_select="error_resilience mpegvideo"
1842 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1843 mpeg2video_decoder_select="error_resilience mpegvideo"
1844 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1845 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1846 mpeg4_encoder_select="h263_encoder"
1847 msmpeg4v1_decoder_select="h263_decoder"
1848 msmpeg4v2_decoder_select="h263_decoder"
1849 msmpeg4v2_encoder_select="h263_encoder"
1850 msmpeg4v3_decoder_select="h263_decoder"
1851 msmpeg4v3_encoder_select="h263_encoder"
1852 mss2_decoder_select="error_resilience vc1_decoder"
1853 mxpeg_decoder_select="dsputil hpeldsp exif"
1854 nellymoser_decoder_select="mdct sinewin"
1855 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1856 nuv_decoder_select="dsputil lzo"
1857 png_decoder_deps="zlib"
1858 png_encoder_deps="zlib"
1859 png_encoder_select="dsputil"
1860 prores_decoder_select="dsputil"
1861 prores_encoder_select="dsputil"
1862 qcelp_decoder_select="lsp"
1863 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1864 ra_144_encoder_select="audio_frame_queue lpc"
1865 ralf_decoder_select="golomb"
1866 rtjpeg_decoder_select="dsputil"
1867 rv10_decoder_select="error_resilience h263_decoder"
1868 rv10_encoder_select="h263_encoder"
1869 rv20_decoder_select="error_resilience h263_decoder"
1870 rv20_encoder_select="h263_encoder"
1871 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1872 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1873 shorten_decoder_select="golomb"
1874 sipr_decoder_select="lsp"
1875 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1876 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1877 sonic_decoder_select="golomb"
1878 sonic_encoder_select="golomb"
1879 sonic_ls_encoder_select="golomb"
1880 sp5x_decoder_select="dsputil hpeldsp exif"
1881 svq1_decoder_select="hpeldsp"
1882 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1883 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1884 svq3_decoder_suggest="error_resilience zlib"
1885 tak_decoder_select="dsputil"
1886 theora_decoder_select="vp3_decoder"
1887 tiff_decoder_suggest="zlib"
1888 tiff_encoder_suggest="zlib"
1889 thp_decoder_select="dsputil hpeldsp exif"
1890 truehd_decoder_select="mlp_parser"
1891 truemotion2_decoder_select="dsputil"
1892 truespeech_decoder_select="dsputil"
1893 tscc_decoder_deps="zlib"
1894 twinvq_decoder_select="mdct lsp sinewin"
1895 utvideo_decoder_select="dsputil"
1896 utvideo_encoder_select="dsputil huffman"
1897 vble_decoder_select="dsputil"
1898 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1899 vc1image_decoder_select="vc1_decoder"
1900 vorbis_decoder_select="mdct"
1901 vorbis_encoder_select="mdct"
1902 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1903 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1904 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1905 vp6a_decoder_select="vp6_decoder"
1906 vp6f_decoder_select="vp6_decoder"
1907 vp8_decoder_select="h264pred videodsp"
1908 webp_decoder_select="vp8_decoder"
1909 wmapro_decoder_select="mdct sinewin"
1910 wmav1_decoder_select="mdct sinewin"
1911 wmav1_encoder_select="mdct sinewin"
1912 wmav2_decoder_select="mdct sinewin"
1913 wmav2_encoder_select="mdct sinewin"
1914 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1915 wmv1_decoder_select="h263_decoder"
1916 wmv1_encoder_select="h263_encoder"
1917 wmv2_decoder_select="h263_decoder videodsp"
1918 wmv2_encoder_select="h263_encoder"
1919 wmv3_decoder_select="vc1_decoder"
1920 wmv3image_decoder_select="wmv3_decoder"
1921 zerocodec_decoder_deps="zlib"
1922 zlib_decoder_deps="zlib"
1923 zlib_encoder_deps="zlib"
1924 zmbv_decoder_deps="zlib"
1925 zmbv_encoder_deps="zlib"
1927 # hardware accelerators
1928 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1929 dxva2_deps="dxva2api_h"
1930 vaapi_deps="va_va_h"
1931 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1932 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1933 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1935 h263_vaapi_hwaccel_deps="vaapi"
1936 h263_vaapi_hwaccel_select="h263_decoder"
1937 h263_vdpau_hwaccel_deps="vdpau"
1938 h263_vdpau_hwaccel_select="h263_decoder"
1939 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1940 h264_dxva2_hwaccel_deps="dxva2"
1941 h264_dxva2_hwaccel_select="h264_decoder"
1942 h264_vaapi_hwaccel_deps="vaapi"
1943 h264_vaapi_hwaccel_select="h264_decoder"
1944 h264_vda_decoder_deps="vda"
1945 h264_vda_decoder_select="h264_decoder"
1946 h264_vda_hwaccel_deps="vda"
1947 h264_vda_hwaccel_select="h264_decoder"
1948 h264_vdpau_decoder_deps="vdpau"
1949 h264_vdpau_decoder_select="h264_decoder"
1950 h264_vdpau_hwaccel_deps="vdpau"
1951 h264_vdpau_hwaccel_select="h264_decoder"
1952 mpeg_vdpau_decoder_deps="vdpau"
1953 mpeg_vdpau_decoder_select="mpeg2video_decoder"
1954 mpeg1_vdpau_decoder_deps="vdpau"
1955 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1956 mpeg1_vdpau_hwaccel_deps="vdpau"
1957 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1958 mpeg2_crystalhd_decoder_select="crystalhd"
1959 mpeg2_dxva2_hwaccel_deps="dxva2"
1960 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1961 mpeg2_vaapi_hwaccel_deps="vaapi"
1962 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1963 mpeg2_vdpau_hwaccel_deps="vdpau"
1964 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1965 mpeg4_crystalhd_decoder_select="crystalhd"
1966 mpeg4_vaapi_hwaccel_deps="vaapi"
1967 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1968 mpeg4_vdpau_decoder_deps="vdpau"
1969 mpeg4_vdpau_decoder_select="mpeg4_decoder"
1970 mpeg4_vdpau_hwaccel_deps="vdpau"
1971 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1972 msmpeg4_crystalhd_decoder_select="crystalhd"
1973 vc1_crystalhd_decoder_select="crystalhd"
1974 vc1_dxva2_hwaccel_deps="dxva2"
1975 vc1_dxva2_hwaccel_select="vc1_decoder"
1976 vc1_vaapi_hwaccel_deps="vaapi"
1977 vc1_vaapi_hwaccel_select="vc1_decoder"
1978 vc1_vdpau_decoder_deps="vdpau"
1979 vc1_vdpau_decoder_select="vc1_decoder"
1980 vc1_vdpau_hwaccel_deps="vdpau"
1981 vc1_vdpau_hwaccel_select="vc1_decoder"
1982 wmv3_crystalhd_decoder_select="crystalhd"
1983 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1984 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1985 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1986 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1989 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1990 mpeg4video_parser_select="error_resilience mpegvideo"
1991 mpegvideo_parser_select="error_resilience mpegvideo"
1992 vc1_parser_select="mpegvideo"
1994 # external libraries
1995 libaacplus_encoder_deps="libaacplus"
1996 libcelt_decoder_deps="libcelt"
1997 libfaac_encoder_deps="libfaac"
1998 libfaac_encoder_select="audio_frame_queue"
1999 libfdk_aac_decoder_deps="libfdk_aac"
2000 libfdk_aac_encoder_deps="libfdk_aac"
2001 libfdk_aac_encoder_select="audio_frame_queue"
2002 libgme_demuxer_deps="libgme"
2003 libgsm_decoder_deps="libgsm"
2004 libgsm_encoder_deps="libgsm"
2005 libgsm_ms_decoder_deps="libgsm"
2006 libgsm_ms_encoder_deps="libgsm"
2007 libilbc_decoder_deps="libilbc"
2008 libilbc_encoder_deps="libilbc"
2009 libmodplug_demuxer_deps="libmodplug"
2010 libmp3lame_encoder_deps="libmp3lame"
2011 libmp3lame_encoder_select="audio_frame_queue"
2012 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2013 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2014 libopencore_amrnb_encoder_select="audio_frame_queue"
2015 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2016 libopenjpeg_decoder_deps="libopenjpeg"
2017 libopenjpeg_encoder_deps="libopenjpeg"
2018 libopus_decoder_deps="libopus"
2019 libopus_encoder_deps="libopus"
2020 libopus_encoder_select="audio_frame_queue"
2021 libquvi_demuxer_deps="libquvi"
2022 libschroedinger_decoder_deps="libschroedinger"
2023 libschroedinger_encoder_deps="libschroedinger"
2024 libshine_encoder_deps="libshine"
2025 libshine_encoder_select="audio_frame_queue"
2026 libspeex_decoder_deps="libspeex"
2027 libspeex_encoder_deps="libspeex"
2028 libspeex_encoder_select="audio_frame_queue"
2029 libstagefright_h264_decoder_deps="libstagefright_h264"
2030 libtheora_encoder_deps="libtheora"
2031 libtwolame_encoder_deps="libtwolame"
2032 libvo_aacenc_encoder_deps="libvo_aacenc"
2033 libvo_aacenc_encoder_select="audio_frame_queue"
2034 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2035 libvorbis_decoder_deps="libvorbis"
2036 libvorbis_encoder_deps="libvorbis"
2037 libvorbis_encoder_select="audio_frame_queue"
2038 libvpx_vp8_decoder_deps="libvpx"
2039 libvpx_vp8_encoder_deps="libvpx"
2040 libvpx_vp9_decoder_deps="libvpx"
2041 libvpx_vp9_encoder_deps="libvpx"
2042 libwavpack_encoder_deps="libwavpack"
2043 libx264_encoder_deps="libx264"
2044 libx264rgb_encoder_deps="libx264"
2045 libxavs_encoder_deps="libxavs"
2046 libxvid_encoder_deps="libxvid"
2047 libutvideo_decoder_deps="libutvideo"
2048 libutvideo_encoder_deps="libutvideo"
2049 libzvbi_teletext_decoder_deps="libzvbi"
2052 ac3_demuxer_select="ac3_parser"
2053 asf_demuxer_select="riffdec"
2054 asf_muxer_select="riffenc"
2055 asf_stream_muxer_select="asf_muxer"
2056 avi_demuxer_select="riffdec"
2057 avi_muxer_select="riffenc"
2058 avisynth_demuxer_deps="avisynth"
2059 avisynth_demuxer_select="riffdec"
2060 caf_demuxer_select="riffdec"
2061 dirac_demuxer_select="dirac_parser"
2062 dts_demuxer_select="dca_parser"
2063 dtshd_demuxer_select="dca_parser"
2064 dxa_demuxer_select="riffdec"
2065 eac3_demuxer_select="ac3_parser"
2066 f4v_muxer_select="mov_muxer"
2067 flac_demuxer_select="flac_parser"
2068 hls_muxer_select="mpegts_muxer"
2069 ipod_muxer_select="mov_muxer"
2070 ismv_muxer_select="mov_muxer"
2071 libnut_demuxer_deps="libnut"
2072 libnut_muxer_deps="libnut"
2073 matroska_audio_muxer_select="matroska_muxer"
2074 matroska_demuxer_select="riffdec"
2075 matroska_demuxer_suggest="bzlib lzo zlib"
2076 matroska_muxer_select="riffenc"
2077 mmf_muxer_select="riffenc"
2078 mov_demuxer_select="riffdec"
2079 mov_demuxer_suggest="zlib"
2080 mov_muxer_select="riffenc rtpenc_chain"
2081 mp3_demuxer_select="mpegaudio_parser"
2082 mp4_muxer_select="mov_muxer"
2083 mpegts_muxer_select="adts_muxer latm_muxer"
2084 mpegtsraw_demuxer_select="mpegts_demuxer"
2085 mxf_d10_muxer_select="mxf_muxer"
2086 nut_muxer_select="riffenc"
2087 nuv_demuxer_select="riffdec"
2088 ogg_demuxer_select="golomb"
2089 psp_muxer_select="mov_muxer"
2090 rtp_demuxer_select="sdp_demuxer"
2091 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2092 rtsp_demuxer_select="http_protocol rtpdec"
2093 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2094 sap_demuxer_select="sdp_demuxer"
2095 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2096 sdp_demuxer_select="rtpdec"
2097 smoothstreaming_muxer_select="ismv_muxer"
2098 spdif_muxer_select="aac_parser"
2099 tak_demuxer_select="tak_parser"
2100 tg2_muxer_select="mov_muxer"
2101 tgp_muxer_select="mov_muxer"
2102 vobsub_demuxer_select="mpegps_demuxer"
2103 w64_demuxer_select="wav_demuxer"
2104 w64_muxer_select="wav_muxer"
2105 wav_demuxer_select="riffdec"
2106 wav_muxer_select="riffenc"
2107 webm_muxer_select="riffenc"
2108 wtv_demuxer_select="riffdec"
2109 xmv_demuxer_select="riffdec"
2110 xwma_demuxer_select="riffdec"
2113 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2114 alsa_outdev_deps="alsa_asoundlib_h"
2115 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2116 caca_outdev_deps="libcaca"
2117 dshow_indev_deps="IBaseFilter"
2118 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2119 dv1394_indev_deps="dv1394"
2120 dv1394_indev_select="dv_demuxer"
2121 fbdev_indev_deps="linux_fb_h"
2122 iec61883_indev_deps="libiec61883"
2123 jack_indev_deps="jack_jack_h sem_timedwait"
2124 lavfi_indev_deps="avfilter"
2125 libcdio_indev_deps="libcdio"
2126 libdc1394_indev_deps="libdc1394"
2127 libv4l2_indev_deps="libv4l2"
2128 openal_indev_deps="openal"
2129 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2130 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2131 pulse_indev_deps="libpulse"
2132 sdl_outdev_deps="sdl"
2133 sndio_indev_deps="sndio_h"
2134 sndio_outdev_deps="sndio_h"
2135 v4l_indev_deps="linux_videodev_h"
2136 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2137 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2138 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2139 vfwcap_indev_extralibs="-lavicap32"
2140 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2141 xv_outdev_extralibs="-lXv -lX11 -lXext"
2142 x11grab_indev_deps="x11grab"
2145 bluray_protocol_deps="libbluray"
2146 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2147 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2148 ffrtmpcrypt_protocol_select="tcp_protocol"
2149 ffrtmphttp_protocol_deps="!librtmp_protocol"
2150 ffrtmphttp_protocol_select="http_protocol"
2151 ftp_protocol_select="tcp_protocol"
2152 gopher_protocol_select="network"
2153 httpproxy_protocol_select="tcp_protocol"
2154 http_protocol_select="tcp_protocol"
2155 https_protocol_select="tls_protocol"
2156 librtmp_protocol_deps="librtmp"
2157 librtmpe_protocol_deps="librtmp"
2158 librtmps_protocol_deps="librtmp"
2159 librtmpt_protocol_deps="librtmp"
2160 librtmpte_protocol_deps="librtmp"
2161 mmsh_protocol_select="http_protocol"
2162 mmst_protocol_select="network"
2163 rtmp_protocol_deps="!librtmp_protocol"
2164 rtmp_protocol_select="tcp_protocol"
2165 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2166 rtmps_protocol_deps="!librtmp_protocol"
2167 rtmps_protocol_select="tls_protocol"
2168 rtmpt_protocol_select="ffrtmphttp_protocol"
2169 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2170 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2171 rtp_protocol_select="udp_protocol"
2172 sctp_protocol_deps="struct_sctp_event_subscribe"
2173 sctp_protocol_select="network"
2174 srtp_protocol_select="rtp_protocol"
2175 tcp_protocol_select="network"
2176 tls_protocol_deps_any="openssl gnutls"
2177 tls_protocol_select="tcp_protocol"
2178 udp_protocol_select="network"
2179 unix_protocol_deps="sys_un_h"
2180 unix_protocol_select="network"
2183 aconvert_filter_deps="swresample"
2184 amovie_filter_deps="avcodec avformat"
2185 aresample_filter_deps="swresample"
2186 ass_filter_deps="libass"
2187 asyncts_filter_deps="avresample"
2188 atempo_filter_deps="avcodec rdft"
2189 azmq_filter_deps="libzmq"
2190 blackframe_filter_deps="gpl"
2191 boxblur_filter_deps="gpl"
2192 colormatrix_filter_deps="gpl"
2193 cropdetect_filter_deps="gpl"
2194 dctdnoiz_filter_deps="avcodec fft"
2195 delogo_filter_deps="gpl"
2196 deshake_filter_deps="avcodec"
2197 deshake_filter_select="dsputil"
2198 drawtext_filter_deps="libfreetype"
2199 ebur128_filter_deps="gpl"
2200 flite_filter_deps="libflite"
2201 frei0r_filter_deps="frei0r dlopen"
2202 frei0r_filter_extralibs='$ldl'
2203 frei0r_src_filter_deps="frei0r dlopen"
2204 frei0r_src_filter_extralibs='$ldl'
2205 geq_filter_deps="gpl"
2206 histeq_filter_deps="gpl"
2207 hqdn3d_filter_deps="gpl"
2208 interlace_filter_deps="gpl"
2209 kerndeint_filter_deps="gpl"
2210 mcdeint_filter_deps="avcodec gpl"
2211 movie_filter_deps="avcodec avformat"
2212 mp_filter_deps="gpl avcodec swscale inline_asm"
2213 mpdecimate_filter_deps="gpl avcodec"
2214 mptestsrc_filter_deps="gpl"
2215 negate_filter_deps="lut_filter"
2216 noise_filter_deps="gpl"
2217 perspective_filter_deps="gpl"
2218 resample_filter_deps="avresample"
2219 ocv_filter_deps="libopencv"
2220 owdenoise_filter_deps="gpl"
2221 pan_filter_deps="swresample"
2222 phase_filter_deps="gpl"
2223 pp_filter_deps="gpl postproc"
2224 pullup_filter_deps="gpl"
2225 removelogo_filter_deps="avcodec avformat swscale"
2226 sab_filter_deps="gpl swscale"
2227 scale_filter_deps="swscale"
2228 smartblur_filter_deps="gpl swscale"
2229 showspectrum_filter_deps="avcodec rdft"
2230 spp_filter_deps="gpl avcodec fft"
2231 stereo3d_filter_deps="gpl"
2232 subtitles_filter_deps="avformat avcodec libass"
2233 super2xsai_filter_deps="gpl"
2234 tinterlace_filter_deps="gpl"
2235 vidstabdetect_filter_deps="libvidstab"
2236 vidstabtransform_filter_deps="libvidstab"
2237 yadif_filter_deps="gpl"
2238 pixfmts_super2xsai_test_deps="super2xsai_filter"
2239 tinterlace_merge_test_deps="tinterlace_filter"
2240 tinterlace_pad_test_deps="tinterlace_filter"
2241 zmq_filter_deps="libzmq"
2244 avcodec_deps="avutil"
2245 avdevice_deps="avutil avcodec avformat"
2246 avfilter_deps="avutil"
2247 avformat_deps="avutil avcodec"
2248 avresample_deps="avutil"
2249 postproc_deps="avutil gpl"
2250 swscale_deps="avutil"
2253 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
2254 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2256 setpts_filter trim_filter"
2257 ffplay_deps="avcodec avformat swscale swresample sdl"
2258 ffplay_select="rdft crop_filter"
2259 ffprobe_deps="avcodec avformat"
2260 ffserver_deps="avformat fork sarestart"
2261 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2262 ffserver_extralibs='$ldl'
2265 podpages_deps="perl"
2266 manpages_deps="perl pod2man"
2267 htmlpages_deps="texi2html"
2268 txtpages_deps="makeinfo"
2269 doc_deps_any="manpages htmlpages podpages txtpages"
2271 # default parameters
2273 logfile="config.log"
2275 # installation paths
2276 prefix_default="/usr/local"
2277 bindir_default='${prefix}/bin'
2278 datadir_default='${prefix}/share/ffmpeg'
2279 docdir_default='${prefix}/share/doc/ffmpeg'
2280 incdir_default='${prefix}/include'
2281 libdir_default='${prefix}/lib'
2282 mandir_default='${prefix}/share/man'
2283 shlibdir_default="$libdir_default"
2289 host_cc_default="gcc"
2295 pkg_config_default=pkg-config
2297 strip_default="strip"
2298 yasmexe_default="yasm"
2303 arch_default=$(uname -m)
2307 target_os_default=$(tolower $(uname -s))
2308 host_os=$target_os_default
2310 # configurable options
2311 enable $PROGRAM_LIST
2312 enable $DOCUMENT_LIST
2313 enable $(filter_out avresample $LIBRARY_LIST)
2319 enable optimizations
2320 enable runtime_cpudetect
2321 enable safe_bitstream_reader
2323 enable swscale_alpha
2325 # Enable hwaccels by default.
2326 enable dxva2 vaapi vdpau
2329 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2332 FULLNAME='$(NAME)$(BUILDSUF)'
2333 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2336 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2337 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2338 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2339 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2340 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2341 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2361 host_cflags='-O3 -g'
2362 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2364 host_cflags_filter=echo
2365 host_ldflags_filter=echo
2367 target_path='$(CURDIR)'
2369 # since the object filename is not given with the -MM flag, the compiler
2370 # is only able to print the basename, and we must add the path ourselves
2371 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2375 if test -f configure; then
2378 source_path=$(cd $(dirname "$0"); pwd)
2379 echo "$source_path" | grep -q '[[:blank:]]' &&
2380 die "Out of tree builds are impossible with whitespace in source path."
2381 test -e "$source_path/config.h" &&
2382 die "Out of tree builds are impossible with config.h in source dir."
2389 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2395 file=$source_path/$3
2396 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2399 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2400 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2401 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2402 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2403 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2404 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2405 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2406 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2407 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2408 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2409 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2425 for n in $COMPONENT_LIST; do
2426 v=$(toupper ${n%s})_LIST
2428 eval ${n}_if_any="\$$v"
2431 enable $ARCH_EXT_LIST
2434 echo "Unknown option \"$1\"."
2435 echo "See $0 --help for available options."
2440 cat | tr ' ' '\n' | sort | pr -r -3 -t
2446 echo $* | sed s/$suffix//g | print_3_columns
2458 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2459 echo "prob ${prob:-0.5}"
2467 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2468 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2478 add_extralibs $optval
2481 disable $INDEV_LIST $OUTDEV_LIST
2484 debuglevel="$optval"
2487 disable $PROGRAM_LIST
2489 --disable-everything)
2490 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2493 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2494 disable $LIBRARY_LIST $PROGRAM_LIST doc
2496 --enable-random|--disable-random)
2497 action=${opt%%-random}
2498 do_random ${action#--} $COMPONENT_LIST
2500 --enable-random=*|--disable-random=*)
2501 action=${opt%%-random=*}
2502 do_random ${action#--} $optval
2504 --enable-*=*|--disable-*=*)
2505 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2506 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2507 eval list=\$$(toupper $thing)_LIST
2508 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2509 list=$(filter "$name" $list)
2510 [ "$list" = "" ] && warn "Option $opt did not match anything"
2513 --enable-?*|--disable-?*)
2514 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2515 if is_in $option $COMPONENT_LIST; then
2516 test $action = disable && action=unset
2517 eval $action \$$(toupper ${option%s})_LIST
2518 elif is_in $option $CMDLINE_SELECT; then
2525 NAME="${opt#--list-}"
2526 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2528 eval show_list $NAME \$$(toupper $NAME)_LIST
2530 --help|-h) show_help
2532 --fatal-warnings) enable fatal_warnings
2535 optname="${opt%%=*}"
2536 optname="${optname#--}"
2537 optname=$(echo "$optname" | sed 's/-/_/g')
2538 if is_in $optname $CMDLINE_SET; then
2539 eval $optname='$optval'
2540 elif is_in $optname $CMDLINE_APPEND; then
2541 append $optname "$optval"
2549 disabled logging && logfile=/dev/null
2551 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2554 test -n "$cross_prefix" && enable cross_compile
2556 if enabled cross_compile; then
2557 test -n "$arch" && test -n "$target_os" ||
2558 die "Must specify target arch and OS when cross-compiling"
2561 ar_default="${cross_prefix}${ar_default}"
2562 cc_default="${cross_prefix}${cc_default}"
2563 cxx_default="${cross_prefix}${cxx_default}"
2564 nm_default="${cross_prefix}${nm_default}"
2565 pkg_config_default="${cross_prefix}${pkg_config_default}"
2566 ranlib="${cross_prefix}${ranlib}"
2567 strip_default="${cross_prefix}${strip_default}"
2569 sysinclude_default="${sysroot}/usr/include"
2571 test -n "$valgrind" && toolchain="valgrind-memcheck"
2573 case "$toolchain" in
2576 add_cflags -fsanitize=address
2577 add_ldflags -fsanitize=address
2581 add_cflags -fsanitize=thread -pie
2582 add_ldflags -fsanitize=thread -pie
2586 add_cflags -fsanitize=address
2587 add_ldflags -fsanitize=address
2591 add_cflags -fsanitize=thread -pie -fPIC
2592 add_ldflags -fsanitize=thread -pie -fPIC
2595 target_exec_default=${valgrind:-"valgrind"}
2596 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
2599 target_exec_default=${valgrind:-"valgrind"}
2600 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2603 cc_default="c99wrap cl"
2604 ld_default="c99wrap link"
2605 nm_default="dumpbin -symbols"
2607 target_os_default="win32"
2610 cc_default="c99wrap -noconv icl"
2611 ld_default="c99wrap xilink"
2612 nm_default="dumpbin -symbols"
2614 target_os_default="win32"
2617 add_cflags -fprofile-arcs -ftest-coverage
2618 add_ldflags -fprofile-arcs -ftest-coverage
2621 die "Unknown toolchain $toolchain"
2625 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2626 enabled cross_compile || host_cc_default=$cc
2629 if ! $pkg_config --version >/dev/null 2>&1; then
2630 warn "$pkg_config not found, library detection may fail."
2636 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2640 EXESUF=$(exesuf $target_os)
2641 HOSTEXESUF=$(exesuf $host_os)
2643 # set temporary file name
2644 : ${TMPDIR:=$TEMPDIR}
2648 if ! check_cmd mktemp -u XXXXXX; then
2649 # simple replacement for missing mktemp
2650 # NOT SAFE FOR GENERAL USE
2652 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2657 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2658 (set -C; exec > $tmp) 2>/dev/null ||
2659 die "Unable to create temporary file in $TMPDIR."
2660 append TMPFILES $tmp
2664 trap 'rm -f -- $TMPFILES' EXIT
2669 tmpfile TMPE $EXESUF
2680 # make sure we can execute files in $TMPDIR
2681 cat > $TMPSH 2>> $logfile <<EOF
2684 chmod +x $TMPSH >> $logfile 2>&1
2685 if ! $TMPSH >> $logfile 2>&1; then
2687 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2688 variable to another directory and make sure that it is not mounted noexec.
2690 die "Sanity test failed."
2696 -std=c99) echo -c99 ;;
2697 -mcpu=*) echo -arch ${flag#*=} ;;
2698 -mieee) echo -ieee ;;
2699 -O*|-fast) echo $flag ;;
2700 -fno-math-errno) echo -assume nomath_errno ;;
2702 -Wall) echo -msg_enable level2 ;;
2703 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2704 -Wl,*) echo $flag ;;
2711 msvc_common_flags(){
2714 # In addition to specifying certain flags under the compiler
2715 # specific filters, they must be specified here as well or else the
2716 # generic catch all at the bottom will print the original flag.
2720 -fomit-frame-pointer) ;;
2724 -fno-signed-zeros) ;;
2728 -lz) echo zlib.lib ;;
2729 -lavifil32) echo vfw32.lib ;;
2730 -lavicap32) echo vfw32.lib user32.lib ;;
2731 -l*) echo ${flag#-l}.lib ;;
2738 msvc_common_flags "$@"
2741 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2742 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2743 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2751 msvc_common_flags "$@"
2754 # Despite what Intel's documentation says -Wall, which is supported
2755 # on Windows, does enable remarks so disable them here.
2756 -Wall) echo $flag -Qdiag-disable:remark ;;
2757 -std=c99) echo -Qstd=c99 ;;
2765 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2766 -fomit-frame-pointer) echo -Mnoframe ;;
2777 case "${flag#*=}" in
2778 native) echo -xtarget=native ;;
2779 v9|niagara) echo -xarch=sparc ;;
2780 ultrasparc) echo -xarch=sparcvis ;;
2781 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2782 i586|pentium) echo -xchip=pentium ;;
2783 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2784 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2785 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2786 pentium4*) echo -xtarget=pentium4 ;;
2787 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2788 *-sse3) echo -xarch=sse3 ;;
2789 core2) echo -xarch=ssse3 -xchip=core2 ;;
2790 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2791 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2792 amdfam10|barcelona) echo -xtarget=barcelona ;;
2793 bdver*) echo -xarch=avx ;;
2794 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2795 k8|opteron|athlon64|athlon-fx)
2796 echo -xarch=sse2a ;;
2797 athlon*) echo -xarch=pentium_proa ;;
2800 -std=c99) echo -xc99 ;;
2801 -fomit-frame-pointer) echo -xregs=frameptr ;;
2802 -fPIC) echo -KPIC -xcode=pic32 ;;
2803 -W*,*) echo $flag ;;
2804 -f*-*|-W*|-mimpure-text) ;;
2815 case "${flag#*=}" in
2816 armv7-a|cortex-a*) echo -mv=7a8 ;;
2817 armv7-r|cortex-r*) echo -mv=7r4 ;;
2818 armv7-m|cortex-m*) echo -mv=7m3 ;;
2819 armv6*|arm11*) echo -mv=6 ;;
2820 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2822 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2825 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2826 -mfpu=vfp) echo --float_support=vfpv2 ;;
2827 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2828 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2829 -msoft-float) echo --float_support=vfplib ;;
2830 -O[0-3]|-mf=*) echo $flag ;;
2832 -pds=*) echo $flag ;;
2833 -D*|-I*) echo $flag ;;
2834 --gcc|--abi=*) echo $flag ;;
2844 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2845 unset _ld_o _ldflags _ld_lib _ld_path
2846 unset _depflags _DEPCMD _DEPFLAGS
2849 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2851 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2852 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2853 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2856 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2858 gcc_version=$($_cc --version | head -n1)
2859 gcc_basever=$($_cc -dumpversion)
2860 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2861 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2862 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2863 if ! $_cc -dumpversion | grep -q '^2\.'; then
2864 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2868 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2870 _ident=$($_cc --version | head -n1)
2875 elif $_cc -v 2>&1 | grep -q xlc; then
2877 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2879 _cflags_size='-O5 -qcompact'
2880 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2882 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2884 _cflags_speed='-fast'
2886 _flags_filter=ccc_flags
2887 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2888 test -d "$sysroot" || die "No valid sysroot specified."
2890 _ident=$($_cc --vsn | head -n1)
2891 armcc_conf="$PWD/armcc.conf"
2892 $_cc --arm_linux_configure \
2893 --arm_linux_config_file="$armcc_conf" \
2894 --configure_sysroot="$sysroot" \
2895 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2896 die "Error creating armcc configuration file."
2897 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2898 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2899 as_default="${cross_prefix}gcc"
2903 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2905 _ident=$($_cc -version | head -n1 | tr -s ' ')
2906 _flags='--gcc --abi=eabi -me'
2909 _depflags='-ppa -ppd=$(@:.o=.d)'
2910 _cflags_speed='-O3 -mf=5'
2911 _cflags_size='-O3 -mf=2'
2912 _flags_filter=tms470_flags
2913 elif $_cc -v 2>&1 | grep -q clang; then
2915 _ident=$($_cc --version | head -n1)
2919 elif $_cc -V 2>&1 | grep -q Sun; then
2921 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2922 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2923 _DEPFLAGS='-xM1 -xc99'
2926 _cflags_size='-O5 -xspace'
2927 _flags_filter=suncc_flags
2928 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2930 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2931 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2934 _flags_filter='filter_out -Wdisabled-optimization'
2935 elif $_cc -v 2>&1 | grep -q Open64; then
2937 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2938 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2941 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2942 elif $_cc -V 2>&1 | grep -q Portland; then
2944 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2945 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2946 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2947 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2949 _flags_filter=pgi_flags
2950 elif $_cc 2>&1 | grep -q Microsoft; then
2952 _ident=$($cc 2>&1 | head -n1)
2953 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2954 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2957 # Nonstandard output options, to avoid msys path conversion issues.
2958 # Relies on wrapper to remap it.
2959 if $_cc 2>&1 | grep -q Linker; then
2966 _flags_filter=msvc_flags
2968 _ld_path='-libpath:'
2970 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2971 if [ $pfx = hostcc ]; then
2972 append _cflags -Dsnprintf=_snprintf
2975 elif $_cc 2>&1 | grep -q Intel; then
2977 _ident=$($cc 2>&1 | head -n1)
2978 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
2979 # Not only is O3 broken on 13.x+ but it is slower on all previous
2980 # versions (tested) as well.
2982 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
2983 # Nonstandard output options, to avoid msys path conversion issues.
2984 # Relies on wrapper to remap it.
2985 if $_cc 2>&1 | grep -q Linker; then
2992 _flags_filter=icl_flags
2994 _ld_path='-libpath:'
2995 # -Qdiag-error to make icl error when seeing certain unknown arguments
2996 _flags='-nologo -Qdiag-error:4044,10157'
2997 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2998 # with MSVC which enables it by default.
2999 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3000 if [ $pfx = hostcc ]; then
3001 append _cflags -Dsnprintf=_snprintf
3005 eval ${pfx}_type=\$_type
3006 eval ${pfx}_ident=\$_ident
3010 eval ${1}_C=\${_cc_c-\${${1}_C}}
3011 eval ${1}_E=\${_cc_e-\${${1}_E}}
3012 eval ${1}_O=\${_cc_o-\${${1}_O}}
3014 if [ -n "$_depflags" ]; then
3015 eval ${1}_DEPFLAGS=\$_depflags
3017 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3018 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3019 eval DEP${1}FLAGS=\$_flags
3024 cflags_filter=$_flags_filter
3025 cflags_speed=$_cflags_speed
3026 cflags_size=$_cflags_size
3027 cflags_noopt=$_cflags_noopt
3028 add_cflags $_flags $_cflags
3029 cc_ldflags=$_ldflags
3032 probe_cc hostcc "$host_cc"
3033 host_cflags_filter=$_flags_filter
3034 add_host_cflags $_flags $_cflags
3037 test -n "$cc_type" && enable $cc_type ||
3038 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3040 : ${as_default:=$cc}
3041 : ${dep_cc_default:=$cc}
3042 : ${ld_default:=$cc}
3043 : ${host_ld_default:=$host_cc}
3044 set_default ar as dep_cc ld host_ld
3047 asflags_filter=$_flags_filter
3048 add_asflags $_flags $_cflags
3052 ldflags_filter=$_flags_filter
3053 add_ldflags $_flags $_ldflags
3054 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3056 LD_LIB=${_ld_lib-$LD_LIB}
3057 LD_PATH=${_ld_path-$LD_PATH}
3059 probe_cc hostld "$host_ld"
3060 host_ldflags_filter=$_flags_filter
3061 add_host_ldflags $_flags $_ldflags
3062 HOSTLD_O=${_ld_o-$HOSTLD_O}
3064 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3065 probe_cc depcc "$dep_cc"
3066 CCDEP=${_DEPCMD:-$DEPCMD}
3067 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3071 if $ar 2>&1 | grep -q Microsoft; then
3074 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3077 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3078 arflags='-Xany -r -c'
3085 add_cflags $extra_cflags
3086 add_cxxflags $extra_cxxflags
3087 add_asflags $extra_cflags
3089 if test -n "$sysroot"; then
3092 add_cppflags --sysroot="$sysroot"
3093 add_ldflags --sysroot="$sysroot"
3096 add_cppflags -I"$sysinclude"
3097 add_ldflags --sysroot="$sysroot"
3102 if test "$cpu" = host; then
3103 enabled cross_compile &&
3104 die "--cpu=host makes no sense when cross-compiling."
3109 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3111 s/.*$1=\\([^ ]*\\).*/\\1/
3116 cpu=$(check_native -march || check_native -mcpu)
3120 test "${cpu:-host}" = host &&
3121 die "--cpu=host not supported with compiler $cc"
3124 # Deal with common $arch aliases
3138 "Power Macintosh"|ppc*|powerpc*)
3153 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3158 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3161 # Add processor-specific flags
3162 if enabled aarch64; then
3166 cpuflags="-march=$cpu"
3169 cpuflags="-mcpu=$cpu"
3173 elif enabled alpha; then
3175 cpuflags="-mcpu=$cpu"
3177 elif enabled arm; then
3180 check_cpp_condition stddef.h \
3181 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3186 if check_arm_arch 4; then echo armv4;
3187 elif check_arm_arch 4T; then echo armv4t;
3188 elif check_arm_arch 5; then echo armv5;
3189 elif check_arm_arch 5E; then echo armv5e;
3190 elif check_arm_arch 5T; then echo armv5t;
3191 elif check_arm_arch 5TE; then echo armv5te;
3192 elif check_arm_arch 5TEJ; then echo armv5te;
3193 elif check_arm_arch 6; then echo armv6;
3194 elif check_arm_arch 6J; then echo armv6j;
3195 elif check_arm_arch 6K; then echo armv6k;
3196 elif check_arm_arch 6Z; then echo armv6z;
3197 elif check_arm_arch 6ZK; then echo armv6zk;
3198 elif check_arm_arch 6T2; then echo armv6t2;
3199 elif check_arm_arch 7; then echo armv7;
3200 elif check_arm_arch 7A 7_A; then echo armv7-a;
3201 elif check_arm_arch 7R 7_R; then echo armv7-r;
3202 elif check_arm_arch 7M 7_M; then echo armv7-m;
3203 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3204 elif check_arm_arch 8A 8_A; then echo armv8-a;
3208 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3212 cpuflags="-march=$cpu"
3213 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3216 cpuflags="-mcpu=$cpu"
3218 cortex-a*) subarch=armv7a ;;
3219 cortex-r*) subarch=armv7r ;;
3220 cortex-m*) enable thumb; subarch=armv7m ;;
3221 arm11*) subarch=armv6 ;;
3222 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3223 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3224 *) subarch=$(probe_arm_arch) ;;
3230 armv5t*) enable fast_clz ;;
3231 armv[6-8]*) enable fast_clz fast_unaligned ;;
3234 elif enabled avr32; then
3239 cpuflags="-mpart=$cpu"
3243 cpuflags="-march=$cpu"
3247 cpuflags="-mcpu=$cpu"
3251 cpuflags="-march=$cpu"
3255 elif enabled bfin; then
3257 cpuflags="-mcpu=$cpu"
3259 elif enabled mips; then
3261 cpuflags="-march=$cpu"
3277 24kef*|34kf*|1004kf*)
3285 elif enabled ppc; then
3287 case $(tolower $cpu) in
3288 601|ppc601|powerpc601)
3289 cpuflags="-mcpu=601"
3292 603*|ppc603*|powerpc603*)
3293 cpuflags="-mcpu=603"
3296 604*|ppc604*|powerpc604*)
3297 cpuflags="-mcpu=604"
3300 g3|75*|ppc75*|powerpc75*)
3301 cpuflags="-mcpu=750"
3304 g4|745*|ppc745*|powerpc745*)
3305 cpuflags="-mcpu=7450"
3307 74*|ppc74*|powerpc74*)
3308 cpuflags="-mcpu=7400"
3310 g5|970|ppc970|powerpc970)
3311 cpuflags="-mcpu=970"
3314 cpuflags="-mcpu=$cpu"
3317 cpuflags="-mcpu=cell"
3321 cpuflags="-mcpu=e500mc"
3325 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3329 cpuflags="-mcpu=8540 -mhard-float"
3334 elif enabled sparc; then
3337 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3338 cpuflags="-mcpu=$cpu"
3341 ultrasparc*|niagara[234])
3342 cpuflags="-mcpu=$cpu"
3346 elif enabled x86; then
3350 cpuflags="-march=$cpu"
3353 # targets that do NOT support nopl and conditional mov (cmov)
3354 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3355 cpuflags="-march=$cpu"
3358 # targets that do support nopl and conditional mov (cmov)
3359 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3360 cpuflags="-march=$cpu"
3364 # targets that do support conditional mov but on which it's slow
3365 pentium4|pentium4m|prescott|nocona)
3366 cpuflags="-march=$cpu"
3374 if [ "$cpu" != generic ]; then
3375 add_cflags $cpuflags
3376 add_asflags $cpuflags
3379 # compiler sanity check
3381 int main(void){ return 0; }
3383 if test "$?" != 0; then
3384 echo "$cc is unable to create an executable file."
3385 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3386 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3387 echo "Only do this if you know what cross compiling means."
3389 die "C compiler test failed."
3392 add_cppflags -D_ISOC99_SOURCE
3393 add_cxxflags -D__STDC_CONSTANT_MACROS
3394 check_cflags -std=c99
3395 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3398 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3402 check_host_cflags -std=c99
3403 check_host_cflags -Wall
3409 check_code cc "" "int test[2*($expr) - 1]" &&
3410 subarch=$arch64 || subarch=$arch32
3418 check_64bit mips mips64 '_MIPS_SIM > 1'
3422 check_64bit parisc parisc64 'sizeof(void *) > 4'
3426 check_64bit ppc ppc64 'sizeof(void *) > 4'
3430 check_64bit sparc sparc64 'sizeof(void *) > 4'
3434 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3435 if test "$subarch" = "x86_64"; then
3440 check_cc <<EOF && subarch="ppc64"
3441 int test[(int)sizeof(char*) - 7];
3447 enabled spic && enable_weak pic
3453 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3454 enabled shared && add_ldflags -Wl,-brtl
3457 prefix_default="/boot/common"
3458 network_extralibs="-lnetwork"
3462 SHFLAGS='-shared -Wl,-h,$$(@F)'
3463 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3464 network_extralibs="-lsocket -lnsl"
3465 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3466 # When using suncc to build, the Solaris linker will mark
3467 # an executable with each instruction set encountered by
3468 # the Solaris assembler. As our libraries contain their own
3469 # guards for processor-specific code, instead suppress
3470 # generation of the HWCAPS ELF section on Solaris x86 only.
3471 enabled_all suncc x86 &&
3472 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3473 add_ldflags -Wl,-M,mapfile
3474 nm_default='nm -P -g'
3478 oss_indev_extralibs="-lossaudio"
3479 oss_outdev_extralibs="-lossaudio"
3480 enabled gcc || check_ldflags -Wl,-zmuldefs
3485 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3487 oss_indev_extralibs="-lossaudio"
3488 oss_outdev_extralibs="-lossaudio"
3496 add_extralibs -lpoll -lgnugetopt
3500 gas="gas-preprocessor.pl $cc"
3501 enabled ppc && add_asflags -force_cpusubtype_ALL
3502 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3503 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3505 add_ldflags -Wl,-dynamic,-search_paths_first
3507 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3508 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3510 enabled x86_64 && objformat="macho64"
3511 enabled_any pic shared ||
3512 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3515 if test $target_os = "mingw32ce"; then
3521 if enabled x86_64; then
3522 LIBTARGET="i386:x86-64"
3523 elif enabled arm; then
3526 check_ldflags -Wl,--nxcompat
3527 check_ldflags -Wl,--dynamicbase
3528 shlibdir_default="$bindir_default"
3531 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3532 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3533 dlltool="${cross_prefix}dlltool"
3534 if check_cmd lib.exe -list; then
3535 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3536 if enabled x86_64; then
3539 elif check_cmd $dlltool --version; then
3540 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3542 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3544 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3545 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3546 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3552 if enabled shared; then
3553 # Link to the import library instead of the normal static library
3556 # Cannot build both shared and static libs with MSVC or icl.
3559 shlibdir_default="$bindir_default"
3562 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3563 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3564 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3565 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3567 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3568 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3569 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3576 shlibdir_default="$bindir_default"
3579 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3580 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3581 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3583 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3584 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3588 *-dos|freedos|opendos)
3589 network_extralibs="-lsocket"
3592 add_cppflags -U__STRICT_ANSI__
3599 ranlib="echo ignoring ranlib"
3605 add_cppflags -D_GNU_SOURCE
3606 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3607 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3611 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3612 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3613 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3614 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3615 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3616 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3617 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3618 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3619 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3620 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3621 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3623 enable_weak os2threads
3626 add_cppflags -D_BSD_SOURCE
3631 add_cppflags -D_QNX_SOURCE
3632 network_extralibs="-lsocket"
3637 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3638 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3639 add_ldflags -Wl,--target1-abs,--no-undefined \
3640 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3641 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3642 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3643 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3644 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3647 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3652 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3653 -D_REENTRANT_SOURCE \
3654 -D_RESEARCH_SOURCE \
3657 add_compat strtod.o strtod=avpriv_strtod
3658 network_extralibs='-lbsd'
3659 exeobjs=compat/plan9/main.o
3666 die "Unknown OS '$target_os'."
3670 # determine libc flavour
3672 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3673 if check_cpp_condition features.h "defined __UCLIBC__"; then
3675 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3676 elif check_cpp_condition features.h "defined __GLIBC__"; then
3678 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3679 # MinGW headers can be installed on Cygwin, so check for newlib first.
3680 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3682 add_cppflags -U__STRICT_ANSI__
3683 elif check_header _mingw.h; then
3685 check_cpp_condition _mingw.h \
3686 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3687 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3688 die "ERROR: MinGW runtime version must be >= 3.15."
3689 add_cppflags -U__STRICT_ANSI__
3690 if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3691 __MINGW64_VERSION_MAJOR < 3"; then
3692 add_compat msvcrt/snprintf.o
3693 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3695 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3697 elif check_func_headers stdlib.h _get_doserrno; then
3699 add_compat strtod.o strtod=avpriv_strtod
3700 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3701 _snprintf=avpriv_snprintf \
3702 vsnprintf=avpriv_vsnprintf
3703 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3704 # 0x601 by default unless something else is set by the user.
3705 # This can easily lead to us detecting functions only present
3706 # in such new versions and producing binaries requiring windows 7.0.
3707 # Therefore explicitly set the default to XP unless the user has
3708 # set something else on the command line.
3709 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3710 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3712 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3714 add_compat strtod.o strtod=avpriv_strtod
3717 test -n "$libc_type" && enable $libc_type
3719 # hacks for compiler/libc/os combinations
3721 if enabled_all tms470 glibc; then
3722 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3723 add_cppflags -D__USER_LABEL_PREFIX__=
3724 add_cppflags -D__builtin_memset=memset
3725 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3726 add_cflags -pds=48 # incompatible redefinition of macro
3729 if enabled_all ccc glibc; then
3730 add_ldflags -Wl,-z,now # calls to libots crash without this
3734 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3737 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3739 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3741 set_default $PATHS_LIST
3744 # we need to build at least one lib type
3745 if ! enabled_any static shared; then
3747 At least one library type must be built.
3748 Specify --enable-static to build the static libraries or --enable-shared to
3749 build the shared libraries as well. To only build the shared libraries specify
3750 --disable-static in addition to --enable-shared.
3755 # backward compatibility layer for incompatible_libav/fork_abi
3756 enabled incompatible_fork_abi && enable incompatible_libav_abi
3757 enabled incompatible_libav_abi && enable incompatible_fork_abi
3759 die_license_disabled() {
3760 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3763 die_license_disabled_gpl() {
3764 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3767 die_license_disabled gpl frei0r
3768 die_license_disabled gpl libcdio
3769 die_license_disabled gpl libutvideo
3770 die_license_disabled gpl libvidstab
3771 die_license_disabled gpl libx264
3772 die_license_disabled gpl libxavs
3773 die_license_disabled gpl libxvid
3774 die_license_disabled gpl libzvbi
3775 die_license_disabled gpl x11grab
3777 die_license_disabled nonfree libaacplus
3778 die_license_disabled nonfree libfaac
3779 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3780 enabled gpl && die_license_disabled_gpl nonfree openssl
3782 die_license_disabled version3 libopencore_amrnb
3783 die_license_disabled version3 libopencore_amrwb
3784 die_license_disabled version3 libvo_aacenc
3785 die_license_disabled version3 libvo_amrwbenc
3787 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3789 disabled optimizations || check_cflags -fomit-frame-pointer
3792 disabled pic && return
3795 case "$target_os" in
3805 enabled pic && enable_weak_pic
3807 check_cc <<EOF || die "Symbol mangling check failed."
3810 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3811 extern_prefix=${sym%%ff_extern*}
3813 check_cc <<EOF && enable_weak inline_asm
3814 void foo(void) { __asm__ volatile ("" ::); }
3818 for restrict_keyword in restrict __restrict__ __restrict; do
3819 check_cc <<EOF && _restrict=$restrict_keyword && break
3820 void foo(char * $restrict_keyword p);
3824 check_cc <<EOF && enable pragma_deprecated
3825 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3828 check_cc <<EOF && enable attribute_packed
3829 struct { int x; } __attribute__((packed)) x;
3832 check_cc <<EOF && enable attribute_may_alias
3833 union { int x; } __attribute__((may_alias)) x;
3836 check_cc <<EOF || die "endian test failed"
3837 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3839 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3841 check_inline_asm inline_asm_labels '"1:\n"'
3843 if enabled alpha; then
3847 elif enabled arm; then
3849 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3850 float func(float a, float b){ return a+b; }
3853 enabled thumb && check_cflags -mthumb || check_cflags -marm
3856 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3858 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3859 case "${cross_prefix:-$cc}" in
3860 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3861 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3862 __asm__ (".eabi_attribute 28, 1");
3863 int main(void) { return 0; }
3866 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3869 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3870 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3871 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3872 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3873 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3874 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3876 [ $target_os = linux ] ||
3877 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3880 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3881 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3883 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3885 elif enabled mips; then
3887 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3888 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3889 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
3890 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3891 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3892 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3893 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3894 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3895 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
3897 elif enabled parisc; then
3899 if enabled gcc; then
3900 case $($cc -dumpversion) in
3901 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3905 elif enabled ppc; then
3907 enable local_aligned_8 local_aligned_16
3909 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3910 check_inline_asm ibm_asm '"add 0, 0, 0"'
3911 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3912 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3914 # AltiVec flags: The FSF version of GCC differs from the Apple version
3915 if enabled altivec; then
3916 if ! enabled_any pic ppc64; then
3919 check_cflags -maltivec -mabi=altivec &&
3920 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3921 check_cflags -faltivec
3923 # check if our compiler supports Motorola AltiVec C API
3924 check_cc <<EOF || disable altivec
3927 vector signed int v1 = (vector signed int) { 0 };
3928 vector signed int v2 = (vector signed int) { 1 };
3929 v1 = vec_add(v1, v2);
3934 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3937 elif enabled sparc; then
3939 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3941 elif enabled x86; then
3943 check_builtin rdtsc intrin.h "__rdtsc()"
3944 check_builtin mm_empty mmintrin.h "_mm_empty()"
3946 enable local_aligned_8 local_aligned_16
3948 # check whether EBP is available on x86
3949 # As 'i' is stored on the stack, this program will crash
3950 # if the base pointer is used to access it because the
3951 # base pointer is cleared in the inline assembly code.
3952 check_exec_crash <<EOF && enable ebp_available
3954 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3958 # check whether EBX is available on x86
3959 check_inline_asm ebx_available '""::"b"(0)' &&
3960 check_inline_asm ebx_available '"":::"%ebx"'
3962 # check whether xmm clobbers are supported
3963 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3965 # check whether binutils is new enough to compile SSSE3/MMXEXT
3966 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3967 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3969 if ! disabled_any asm mmx yasm; then
3970 if check_cmd $yasmexe --version; then
3971 enabled x86_64 && yasm_extra="-m amd64"
3972 yasm_debug="-g dwarf2"
3973 elif check_cmd nasm -v; then
3975 yasm_debug="-g -F dwarf"
3976 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3979 YASMFLAGS="-f $objformat $yasm_extra"
3980 enabled pic && append YASMFLAGS "-DPIC"
3981 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3982 case "$objformat" in
3983 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3986 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3987 die "yasm not found, use --disable-yasm for a crippled build"
3988 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
3989 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3990 check_yasm "CPU amdnop" && enable cpunop
3994 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4001 if enabled asm; then
4003 check_as <<EOF && enable gnu_as || \
4004 $nogas "GNU assembler not found, install gas-preprocessor"
4012 check_ldflags -Wl,--as-needed
4014 if check_func dlopen; then
4016 elif check_func dlopen -ldl; then
4020 if ! disabled network; then
4021 check_type "sys/types.h sys/socket.h" socklen_t
4022 check_type netdb.h "struct addrinfo"
4023 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4024 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4025 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4026 check_type netinet/in.h "struct sockaddr_in6"
4027 check_type poll.h "struct pollfd"
4028 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4029 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4030 check_type netinet/sctp.h "struct sctp_event_subscribe"
4031 check_func getaddrinfo $network_extralibs
4032 check_func getservbyport $network_extralibs
4033 # Prefer arpa/inet.h over winsock2
4034 if check_header arpa/inet.h ; then
4035 check_func closesocket
4036 elif check_header winsock2.h ; then
4037 check_func_headers winsock2.h closesocket -lws2 &&
4038 network_extralibs="-lws2" ||
4039 { check_func_headers winsock2.h closesocket -lws2_32 &&
4040 network_extralibs="-lws2_32"; }
4041 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4042 check_type ws2tcpip.h socklen_t
4043 check_type ws2tcpip.h "struct addrinfo"
4044 check_type ws2tcpip.h "struct group_source_req"
4045 check_type ws2tcpip.h "struct ip_mreq_source"
4046 check_type ws2tcpip.h "struct ipv6_mreq"
4047 check_type winsock2.h "struct pollfd"
4048 check_type ws2tcpip.h "struct sockaddr_in6"
4049 check_type ws2tcpip.h "struct sockaddr_storage"
4050 check_struct winsock2.h "struct sockaddr" sa_len
4056 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4057 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4060 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4063 check_func_headers stdlib.h getenv
4064 check_func gethrtime
4066 check_func getrusage
4067 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4068 check_func gettimeofday
4069 check_func inet_aton $network_extralibs
4071 check_func localtime_r
4072 check_func ${malloc_prefix}memalign && enable memalign
4076 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4077 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4078 check_func setrlimit
4079 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4080 check_func strerror_r
4081 check_func sched_getaffinity
4082 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4083 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4084 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4085 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4086 check_builtin sarestart signal.h "SA_RESTART"
4090 check_func_headers conio.h kbhit
4091 check_func_headers windows.h PeekNamedPipe
4092 check_func_headers io.h setmode
4093 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4094 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4095 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4096 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4097 check_func_headers windows.h GetProcessAffinityMask
4098 check_func_headers windows.h GetProcessTimes
4099 check_func_headers windows.h GetSystemTimeAsFileTime
4100 check_func_headers windows.h MapViewOfFile
4101 check_func_headers windows.h SetConsoleTextAttribute
4102 check_func_headers windows.h Sleep
4103 check_func_headers windows.h VirtualAlloc
4104 check_func_headers glob.h glob
4105 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4107 check_header cl/cl.h
4108 check_header direct.h
4109 check_header dlfcn.h
4111 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4113 check_header libcrystalhd/libcrystalhd_if.h
4114 check_header malloc.h
4116 check_header sys/mman.h
4117 check_header sys/param.h
4118 check_header sys/resource.h
4119 check_header sys/select.h
4120 check_header sys/time.h
4121 check_header sys/un.h
4122 check_header termios.h
4123 check_header unistd.h
4124 check_header vdpau/vdpau.h
4125 check_header vdpau/vdpau_x11.h
4126 check_header VideoDecodeAcceleration/VDADecoder.h
4127 check_header windows.h
4128 check_header X11/extensions/XvMClib.h
4129 check_header asm/types.h
4131 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4132 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4134 if ! disabled w32threads && ! enabled pthreads; then
4135 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4138 # check for some common methods of building with pthread support
4139 # do this before the optional library checks as some of them require pthreads
4140 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4142 if check_func pthread_create; then
4144 elif check_func pthread_create -pthread; then
4146 add_extralibs -pthread
4147 elif check_func pthread_create -pthreads; then
4148 add_cflags -pthreads
4149 add_extralibs -pthreads
4150 elif check_func pthread_create -lpthreadGC2; then
4151 add_extralibs -lpthreadGC2
4152 elif ! check_lib pthread.h pthread_create -lpthread; then
4157 for thread in $THREADS_LIST; do
4158 if enabled $thread; then
4159 test -n "$thread_type" &&
4160 die "ERROR: Only one thread type must be selected." ||
4161 thread_type="$thread"
4165 if enabled pthreads; then
4166 check_func pthread_cancel
4169 enabled sync_val_compare_and_swap && enable atomics_gcc
4170 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4171 enabled MemoryBarrier && enable atomics_win32
4173 check_lib math.h sin -lm && LIBM="-lm"
4174 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4180 for func in $MATH_FUNCS; do
4181 eval check_mathfunc $func \${${func}_args:-1}
4184 # these are off by default, so fail if requested and not available
4185 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4186 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4187 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4188 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4189 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4190 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4191 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4192 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4193 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4194 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4195 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4196 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4197 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4198 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4199 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4200 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4201 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
4202 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4203 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4204 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4205 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4206 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4207 done || die "ERROR: libgsm not found"; }
4208 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4209 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4210 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4211 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4212 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4213 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4214 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4215 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4216 check_lib openjpeg.h opj_version -lopenjpeg ||
4217 die "ERROR: libopenjpeg not found"; }
4218 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4219 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4220 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4221 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4222 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4223 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4224 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4225 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4226 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4227 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4228 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4229 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4230 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4231 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4232 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4233 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4234 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4235 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4236 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4237 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4238 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4240 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4241 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4242 enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
4243 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4244 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4245 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4246 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4247 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4248 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4249 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4250 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4251 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4252 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4253 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4254 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4255 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4256 die "ERROR: openal not found"; } &&
4257 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4258 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4259 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4260 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4261 die "ERROR: opencl not found"; } &&
4262 { enabled_any w32threads os2threads &&
4263 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4264 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4265 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4266 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4267 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4268 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4269 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4270 die "ERROR: openssl not found"; }
4272 if enabled gnutls; then
4273 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4274 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4278 if enabled libdc1394; then
4279 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4280 enable libdc1394_2; } ||
4281 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4282 enable libdc1394_1; } ||
4283 die "ERROR: No version of libdc1394 found "
4286 SDL_CONFIG="${cross_prefix}sdl-config"
4287 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4288 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4289 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4292 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4293 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4294 sdl_libs=$("${SDL_CONFIG}" --libs)
4295 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4296 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4297 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4301 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4303 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4304 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4305 perl --version > /dev/null 2>&1 && enable perl || disable perl
4306 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4307 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4309 check_header linux/fb.h
4310 check_header linux/videodev.h
4311 check_header linux/videodev2.h
4312 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4314 check_header sys/videoio.h
4316 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4317 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4318 # w32api 3.12 had it defined wrong
4319 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4321 check_type "dshow.h" IBaseFilter
4323 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4324 { check_header dev/bktr/ioctl_meteor.h &&
4325 check_header dev/bktr/ioctl_bt848.h; } ||
4326 { check_header machine/ioctl_meteor.h &&
4327 check_header machine/ioctl_bt848.h; } ||
4328 { check_header dev/video/meteor/ioctl_meteor.h &&
4329 check_header dev/video/bktr/ioctl_bt848.h; } ||
4330 check_header dev/ic/bt8xx.h
4332 check_header sndio.h
4333 if check_struct sys/soundcard.h audio_buf_info bytes; then
4334 enable_safe sys/soundcard.h
4336 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4337 #include <sys/soundcard.h>
4341 check_header soundcard.h
4343 enabled_any alsa_indev alsa_outdev &&
4344 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4346 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4347 check_func jack_port_get_latency_range -ljack
4349 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4351 if enabled libcdio; then
4352 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4353 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4354 die "ERROR: libcdio-paranoia not found"
4358 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
4359 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4360 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4363 check_lib va/va.h vaInitialize -lva ||
4367 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4370 # Funny iconv installations are not unusual, so check it after all flags have been set
4371 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4373 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4375 # add some useful compiler flags if supported
4376 check_cflags -Wdeclaration-after-statement
4378 check_cflags -Wno-parentheses
4379 check_cflags -Wno-switch
4380 check_cflags -Wno-format-zero-length
4381 check_cflags -Wdisabled-optimization
4382 check_cflags -Wpointer-arith
4383 check_cflags -Wredundant-decls
4384 check_cflags -Wno-pointer-sign
4385 check_cflags -Wwrite-strings
4386 check_cflags -Wtype-limits
4387 check_cflags -Wundef
4388 check_cflags -Wmissing-prototypes
4389 check_cflags -Wno-pointer-to-int-cast
4390 check_cflags -Wstrict-prototypes
4391 enabled extra_warnings && check_cflags -Winline
4393 # add some linker flags
4394 check_ldflags -Wl,--warn-common
4395 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4396 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4398 enabled xmm_clobber_test &&
4399 check_ldflags -Wl,--wrap,avcodec_open2 \
4400 -Wl,--wrap,avcodec_decode_audio4 \
4401 -Wl,--wrap,avcodec_decode_video2 \
4402 -Wl,--wrap,avcodec_decode_subtitle2 \
4403 -Wl,--wrap,avcodec_encode_audio2 \
4404 -Wl,--wrap,avcodec_encode_video2 \
4405 -Wl,--wrap,avcodec_encode_subtitle \
4406 -Wl,--wrap,sws_scale ||
4407 disable xmm_clobber_test
4410 if test_ldflags -Wl,--version-script,$TMPV; then
4411 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4412 check_cc <<EOF && enable symver_asm_label
4413 void ff_foo(void) __asm__ ("av_foo@VERSION");
4414 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4416 check_cc <<EOF && enable symver_gnu_asm
4417 __asm__(".symver ff_foo,av_foo@VERSION");
4418 void ff_foo(void) {}
4422 if [ -z "$optflags" ]; then
4423 if enabled small; then
4424 optflags=$cflags_size
4425 elif enabled optimizations; then
4426 optflags=$cflags_speed
4428 optflags=$cflags_noopt
4434 enabled lto && check_ldflags "$@"
4438 if enabled lto; then
4439 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4441 check_ldflags -flto $cpuflags
4444 check_optflags $optflags
4445 check_optflags -fno-math-errno
4446 check_optflags -fno-signed-zeros
4448 enabled ftrapv && check_cflags -ftrapv
4450 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4455 if enabled icc; then
4456 # Just warnings, no remarks
4458 # -wd: Disable following warnings
4459 # 144, 167, 556: -Wno-pointer-sign
4460 # 188: enumerated type mixed with another type
4461 # 1292: attribute "foo" ignored
4462 # 1419: external declaration in primary source file
4463 # 10006: ignoring unknown option -fno-signed-zeros
4464 # 10148: ignoring unknown option -Wno-parentheses
4465 # 10156: ignoring option '-W'; no argument required
4466 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4467 # 11030: Warning unknown option --as-needed
4468 # 10156: ignoring option '-export'; no argument required
4469 check_ldflags -wd10156,11030
4470 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4471 enable ebp_available
4472 if enabled x86_32; then
4473 icc_version=$($cc -dumpversion)
4474 test ${icc_version%%.*} -ge 11 &&
4475 check_cflags -falign-stack=maintain-16-byte ||
4476 disable aligned_stack
4478 elif enabled ccc; then
4479 # disable some annoying warnings
4480 add_cflags -msg_disable bitnotint
4481 add_cflags -msg_disable mixfuncvoid
4482 add_cflags -msg_disable nonstandcast
4483 add_cflags -msg_disable unsupieee
4484 elif enabled gcc; then
4485 check_optflags -fno-tree-vectorize
4486 check_cflags -Werror=implicit-function-declaration
4487 check_cflags -Werror=missing-prototypes
4488 check_cflags -Werror=return-type
4489 check_cflags -Werror=vla
4490 elif enabled llvm_gcc; then
4491 check_cflags -mllvm -stack-alignment=16
4492 elif enabled clang; then
4493 check_cflags -mllvm -stack-alignment=16
4494 check_cflags -Qunused-arguments
4495 check_cflags -Werror=implicit-function-declaration
4496 check_cflags -Werror=missing-prototypes
4497 check_cflags -Werror=return-type
4498 elif enabled armcc; then
4499 # 2523: use of inline assembler is deprecated
4500 add_cflags -W${armcc_opt},--diag_suppress=2523
4501 add_cflags -W${armcc_opt},--diag_suppress=1207
4502 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4503 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4504 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4505 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4506 elif enabled tms470; then
4507 add_cflags -pds=824 -pds=837
4508 elif enabled pathscale; then
4509 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4510 elif enabled_any msvc icl; then
4511 enabled x86_32 && disable aligned_stack
4512 enabled_all x86_32 debug && add_cflags -Oy-
4513 enabled debug && add_ldflags -debug
4514 if enabled icl; then
4515 # basically -fstrict-aliasing that does not work (correctly) on icl 13.x
4516 check_cpp_condition "windows.h" "__ICL < 1300" && add_cflags -Qansi-alias
4517 # icl will pass the inline asm tests but inline asm is currently
4518 # not supported (build will fail)
4525 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4528 add_cppflags -Dmain=plan9_main
4532 enable frame_thread_encoder
4533 enabled_any $THREADS_LIST && enable threads
4534 enabled_any $ATOMICS_LIST && enable atomics_native
4536 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4538 check_deps $CONFIG_LIST \
4544 if test $target_os = "haiku"; then
4546 disable posix_memalign
4549 ! enabled_any memalign posix_memalign aligned_malloc &&
4550 enabled_any $need_memalign && enable memalign_hack
4553 # -> enable ${lib}_deps_${dep}
4554 # -> add $dep to ${lib}_deps only once
4558 enabled "${lib}_deps_${dep}" && return 0
4559 enable "${lib}_deps_${dep}"
4560 prepend "${lib}_deps" $dep
4563 # merge deps lib components
4564 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4569 enabled $comp || continue
4570 eval "dep=\"\$${comp}_deps\""
4577 merge_deps libavfilter $FILTER_LIST
4579 echo "install prefix $prefix"
4580 echo "source path $source_path"
4581 echo "C compiler $cc"
4582 echo "ARCH $arch ($cpu)"
4583 if test "$build_suffix" != ""; then
4584 echo "build suffix $build_suffix"
4586 if test "$progs_suffix" != ""; then
4587 echo "progs suffix $progs_suffix"
4589 if test "$extra_version" != ""; then
4590 echo "version string suffix $extra_version"
4592 echo "big-endian ${bigendian-no}"
4593 echo "runtime cpu detection ${runtime_cpudetect-no}"
4594 if enabled x86; then
4595 echo "${yasmexe} ${yasm-no}"
4596 echo "MMX enabled ${mmx-no}"
4597 echo "MMXEXT enabled ${mmxext-no}"
4598 echo "3DNow! enabled ${amd3dnow-no}"
4599 echo "3DNow! extended enabled ${amd3dnowext-no}"
4600 echo "SSE enabled ${sse-no}"
4601 echo "SSSE3 enabled ${ssse3-no}"
4602 echo "AVX enabled ${avx-no}"
4603 echo "FMA4 enabled ${fma4-no}"
4604 echo "i686 features enabled ${i686-no}"
4605 echo "CMOV is fast ${fast_cmov-no}"
4606 echo "EBX available ${ebx_available-no}"
4607 echo "EBP available ${ebp_available-no}"
4609 if enabled arm; then
4610 echo "ARMv5TE enabled ${armv5te-no}"
4611 echo "ARMv6 enabled ${armv6-no}"
4612 echo "ARMv6T2 enabled ${armv6t2-no}"
4613 echo "VFP enabled ${vfp-no}"
4614 echo "NEON enabled ${neon-no}"
4615 echo "THUMB enabled ${thumb-no}"
4617 if enabled mips; then
4618 echo "MIPS FPU enabled ${mipsfpu-no}"
4619 echo "MIPS32R2 enabled ${mips32r2-no}"
4620 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4621 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4623 if enabled ppc; then
4624 echo "AltiVec enabled ${altivec-no}"
4625 echo "PPC 4xx optimizations ${ppc4xx-no}"
4626 echo "dcbzl available ${dcbzl-no}"
4628 if enabled sparc; then
4629 echo "VIS enabled ${vis-no}"
4631 echo "debug symbols ${debug-no}"
4632 echo "strip symbols ${stripping-no}"
4633 echo "optimize for size ${small-no}"
4634 echo "optimizations ${optimizations-no}"
4635 echo "static ${static-no}"
4636 echo "shared ${shared-no}"
4637 echo "postprocessing support ${postproc-no}"
4638 echo "new filter support ${avfilter-no}"
4639 echo "network support ${network-no}"
4640 echo "threading support ${thread_type-no}"
4641 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4642 echo "SDL support ${sdl-no}"
4643 echo "opencl enabled ${opencl-no}"
4644 echo "libzvbi enabled ${libzvbi-no}"
4645 echo "texi2html enabled ${texi2html-no}"
4646 echo "perl enabled ${perl-no}"
4647 echo "pod2man enabled ${pod2man-no}"
4648 echo "makeinfo enabled ${makeinfo-no}"
4649 test -n "$random_seed" &&
4650 echo "random seed ${random_seed}"
4653 echo "External libraries:"
4654 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4657 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4658 echo "Enabled ${type}s:"
4659 eval list=\$$(toupper $type)_LIST
4660 print_enabled '_*' $list | print_3_columns
4664 license="LGPL version 2.1 or later"
4665 if enabled nonfree; then
4666 license="nonfree and unredistributable"
4667 elif enabled gplv3; then
4668 license="GPL version 3 or later"
4669 elif enabled lgplv3; then
4670 license="LGPL version 3 or later"
4671 elif enabled gpl; then
4672 license="GPL version 2 or later"
4675 echo "License: $license"
4677 echo "Creating config.mak, config.h, and doc/config.texi..."
4679 test -e Makefile || $ln_s "$source_path/Makefile" .
4681 enabled stripping || strip="echo skipping strip"
4683 config_files="$TMPH config.mak doc/config.texi"
4685 cat > config.mak <<EOF
4686 # Automatically generated by configure - do not modify!
4687 ifndef FFMPEG_CONFIG_MAK
4689 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4691 LIBDIR=\$(DESTDIR)$libdir
4692 SHLIBDIR=\$(DESTDIR)$shlibdir
4693 INCDIR=\$(DESTDIR)$incdir
4694 BINDIR=\$(DESTDIR)$bindir
4695 DATADIR=\$(DESTDIR)$datadir
4696 DOCDIR=\$(DESTDIR)$docdir
4697 MANDIR=\$(DESTDIR)$mandir
4698 SRC_PATH=$source_path
4699 ifndef MAIN_MAKEFILE
4700 SRC_PATH:=\$(SRC_PATH:.%=..%)
4709 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4711 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4737 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4738 YASMFLAGS=$YASMFLAGS
4739 BUILDSUF=$build_suffix
4740 PROGSSUF=$progs_suffix
4748 EXTRA_VERSION=$extra_version
4751 CCDEP_FLAGS=$CCDEP_FLAGS
4753 ASDEP_FLAGS=$ASDEP_FLAGS
4754 CC_DEPFLAGS=$CC_DEPFLAGS
4755 AS_DEPFLAGS=$AS_DEPFLAGS
4758 HOSTCFLAGS=$host_cflags
4759 HOSTCPPFLAGS=$host_cppflags
4760 HOSTEXESUF=$HOSTEXESUF
4761 HOSTLDFLAGS=$host_ldflags
4764 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4765 HOSTCCDEP=$HOSTCCDEP
4766 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4767 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4771 TARGET_EXEC=$target_exec $target_exec_args
4772 TARGET_PATH=$target_path
4773 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4774 LIBS-ffplay=$sdl_libs
4775 CFLAGS-ffplay=$sdl_cflags
4776 ZLIB=$($ldflags_filter -lz)
4777 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4778 EXTRALIBS=$extralibs
4779 COMPAT_OBJS=$compat_objs
4782 LIBTARGET=${LIBTARGET}
4783 SLIBNAME=${SLIBNAME}
4784 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4785 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4786 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4787 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4788 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4789 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4790 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4791 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4792 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4793 NOREDZONE_FLAGS=$noredzone_flags
4798 name=$(toupper $lcname)
4799 file=$source_path/$lcname/version.h
4800 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4801 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4802 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4803 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4804 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4807 map 'get_version $v' $LIBRARY_LIST
4810 /* Automatically generated by configure - do not modify! */
4811 #ifndef FFMPEG_CONFIG_H
4812 #define FFMPEG_CONFIG_H
4813 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4814 #define FFMPEG_LICENSE "$(c_escape $license)"
4815 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4816 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4817 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4818 #define av_restrict $_restrict
4819 #define EXTERN_PREFIX "${extern_prefix}"
4820 #define EXTERN_ASM ${extern_prefix}
4821 #define SLIBSUF "$SLIBSUF"
4822 #define HAVE_MMX2 HAVE_MMXEXT
4825 test -n "$assert_level" &&
4826 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4828 test -n "$malloc_prefix" &&
4829 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4831 if enabled yasm; then
4832 append config_files $TMPASM
4836 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4840 echo "@c auto-generated by configure" > doc/config.texi
4842 print_config ARCH_ "$config_files" $ARCH_LIST
4843 print_config HAVE_ "$config_files" $HAVE_LIST
4844 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4848 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4849 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4851 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4852 cp_if_changed $TMPH config.h
4855 enabled yasm && cp_if_changed $TMPASM config.asm
4858 /* Generated by ffconf */
4859 #ifndef AVUTIL_AVCONFIG_H
4860 #define AVUTIL_AVCONFIG_H
4863 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4865 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4867 cp_if_changed $TMPH libavutil/avconfig.h
4869 if test -n "$WARNINGS"; then
4870 printf "\n$WARNINGS"
4871 enabled fatal_warnings && exit 1
4874 # build pkg-config files
4876 pkgconfig_generate(){
4878 shortname=${name#lib}${build_suffix}
4883 enabled ${name#lib} || return 0
4885 cat <<EOF > $name/$name${build_suffix}.pc
4887 exec_prefix=\${prefix}
4892 Description: $comment
4894 Requires: $(enabled shared || echo $requires)
4895 Requires.private: $(enabled shared && echo $requires)
4897 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4898 Libs.private: $(enabled shared && echo $libs)
4899 Cflags: -I\${includedir}
4902 mkdir -p doc/examples/pc-uninstalled
4903 includedir=${source_path}
4904 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4905 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4908 libdir=\${pcfiledir}/../../../$name
4909 includedir=${includedir}
4912 Description: $comment
4916 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4917 Cflags: -I\${includedir}
4921 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4922 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
4923 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
4924 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
4925 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
4926 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
4927 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
4928 lavfi_libs=${lavfi_libs%, }
4930 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
4931 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
4933 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4934 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4935 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
4936 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
4937 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
4938 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4939 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4940 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4941 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4943 fix_ffmpeg_remote(){
4946 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4947 if [ "$fixme_remote" != "" ]; then
4949 Outdated domain in git config, the official domain for ffmpeg git is since
4950 November 2011, source.ffmpeg.org, both the old and the new point to the same
4951 repository and server. To update it enter the following commands:
4953 for remote in $fixme_remote; do
4954 echolog "git remote set-url $remote $git_remote_to"
4959 if test -f "$source_path/.git/config"; then
4960 remote_from=git.videolan.org
4961 remote_to=source.ffmpeg.org
4962 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
4963 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg